haha, i bet shed been watching aggi, from how clean is your house,
my brother in law, had a brother of sort, well i think it was his brother, who clean(s)ed windows in notting hill, with newspapers, not vinegar, just newspaper and water, he had some really famous clients, didn't do a good job, but they just didn't have the heart to sack him
it just goes to prove, what ever works for you
oh btw we wont be going back